Database Administrator (DBA) | Technology

Lesaka Technologies Inc.; Johannesburg; On-site; ZAR 480,000 - 720,000; Full time

Job summary

Lesaka Merchant is seeking a qualified DATABASE ADMINISTRATOR (DBA) to manage enterprise database environments, ensuring availability, integrity, performance and security across systems supporting the Merchant Division.

The role involves tuning queries, optimizing indexing, implementing security controls, managing access, backups and disaster recovery, and collaborating with DevOps and application teams to ensure release readiness.

Qualifications

• Diploma or Degree in Information Systems, IT or related field.
• 4–7 years database administration experience.
• Certifications in database technologies are advantageous.

Responsibilities

• Monitor database performance and availability.
• Manage database environments (production, test, dev) and ensure uptime.
• Implement backup, recovery and disaster management procedures.
• Ensure data integrity, security and compliant access.
• Collaborate with DevOps and application teams to support releases.

Skills

Database management

SQL/NoSQL

Performance tuning

Data security

Education

Degree in IT/IS

Tools

Microsoft SQL/Oracle/PostgreSQL

Job description

• Manage database environments (production, test, dev)
• Ensure data resilience
• Maintain database configurations
• Data Architecture

Job Description

We’re Hiring: DATABASE ADMINISTRATOR (DBA) | Information Technology

Are you an experienced database professional with a passion for ensuring data availability, performance, and security across enterprise systems?

Lesaka Merchant is looking for a DATABASE ADMINISTRATOR (DBA) to join our Merchants Operations Division. This role is ideal for a technically skilled individual who can manage database environments and ensure optimal performance, integrity and resilience of critical data systems.

Job Purpose

To manage and optimise database environments, ensuring data availability, integrity, performance and security across all systems supporting the Merchant Division.

Key Responsibility Areas

Database Operations & Availability

• Monitor database performance and availability
• Manage database environments (production, test, dev)
• Resolve database incidents and issues
• Ensure high availability and uptime
• Maintain database monitoring systems

Database Performance & Optimisation

• Tune queries and database performance
• Optimise indexing and storage structures
• Monitor performance metrics and trends
• Identify bottlenecks and improve efficiency
• Support application performance improvements

Data Integrity & Security

• Ensure data integrity and consistency
• Manage database access and permissions
• Implement security controls and encryption
• Support compliance requirements
• Monitor for data anomalies

Backup, Recovery & Disaster Management

• Implement and manage backup processes
• Perform data recovery and restoration
• Test backup and recovery procedures
• Support DR planning
• Ensure data resilience

Database Engineering & Change Support

• Support database changes and deployments
• Maintain database configurations
• Collaborate with DevOps and application teams
• Ensure database readiness for releases
• Document database structures and changes

Qualifications & Experience

• Diploma or Degree in Information Systems, IT or related field
• 4–7 years database administration

Certifications / Advantageous

• Microsoft SQL / Oracle / PostgreSQL
• Cloud database certifications

Key Competencies

• Analysing and Forming Opinions
• Accuracy
• Structuring
• Accountability
• Cooperation
• Initiative
• Database Management (SQL/NoSQL)
• Performance Tuning
• Backup & Recovery
• Security
• Data Architecture